ISTool is written mostly in C++.
Across all C++ projects on Ohloh, 22% of all source code lines are comments. For ISTool, this figure is only 11%.
This lack of comments puts ISTool among the lowest one-third of all C++ projects on Ohloh.
A high number of comments might indicate that the code is well-documented and organized, and could be a sign of a helpful and disciplined development team.